<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图片</title>
</head>
<body>
    <!-- 在操作系统中 ..表示上一级目录/ .表示当前目录 -->
   <img src="../images/mao01.jpg" alt=""> 
</body>
</html>